package org.example.lotterysystem.dao.mapper;

import org.apache.ibatis.annotations.*;
import org.example.lotterysystem.dao.dataobject.ActivityUserDO;

import java.util.List;
@Mapper
public interface ActivityUserMapper {
    @Insert("<script>" +
            "insert into activity_user(activity_id,user_id,user_name,status)values <foreach collection='items' item='item' index='index' separator=','>" +
            "(#{item.activityId},#{item.userId},#{item.userName},#{item.status})</foreach></script>")
    @Options(useGeneratedKeys = true,keyColumn = "id",keyProperty ="id")
    int batchInsert(@Param("items") List<ActivityUserDO> activityUserDOList);

    @Select("select *from activity_user where activity_id=#{activityId}")
    List<ActivityUserDO> selectByActivityId(@Param("activityId") Long activityId);

    @Select("<script> " +
            " select * from activity_user" +
            " where activity_id=#{activityId} and user_id in " +
            " <foreach collection='userIds' item='userId' open='(' separator=',' close=')'>" +
            " #{userId}" +
            "</foreach>" +
            "</script>")
    List<ActivityUserDO> batchSelectByAUIds(@Param("activityId") Long activityId,@Param("userIds") List<Long> userIds);
    @Update("<script>" +
            " update activity_user set status = #{status} " +
            " where activity_id = #{activityId} and user_id in " +
            " <foreach collection='userIds' item='userId' open='(' separator=',' open=')'>#{userId}</foreach></script>")
    void batchUpdateStatus(@Param("activityId") Long activityId,@Param("status")  String status,@Param("userIds") List<Long> userIds);
}
